import unittest

class DemoTestCase(unittest.TestCase):

    @classmethod
    def setUpClass(cls) -> None:
        print(' setupClass')

    def setUp(self) -> None:
        print('setup')

    def tearDown(cls) -> None:
        print('tearDown')

    def test01(self):
        print('test01')

    def test02(self):
        print('test02')

    def test03(self):
        print('test03')

    @classmethod
    def tearDownClass(self) -> None:
        print('tearDownClass')

if __name__ == '__main__':
    unittest.main(verbosity=2)